A massive explosion rocked a kindergarten in Fengxian County, Jiangsu Province earlier today, killing and injuring dozens of parents and children.According to the latest reports, at least 7 people have been killed at the kindergarten and 59 more have been injured. It’s not clear how many of that number are children, parents or teachers. The explosion reportedly occurred at around 4:50 p.m. as school was letting out.The cause of the explosion is not yet known and an investigation is currently underway.Photos and videos from the scene of the explosion show children and parents covered in blood scattered across the ground outside of the kindergarten building. The images and videos have been deleted from Chinese social media by censors, but remain up on Twitter and YouTube.WARNING: Extremely graphic content follows: